package com.xiaofeng.Hello;

import java.util.Scanner;

public class Java1 {
    public static void main(String[] args) {
       /* int a=3;
        double b=3.2;
        System.out.printf("%f\n",a*b);
        //强制类型转化
        byte c=(byte) a;
        System.out.printf("%d\n", c);
        // + 做连接符
        System.out.printf("aaa"+a+'\n');
        //自增、自减
        a--;
        System.out.printf("%d\n",a);
        System.out.printf("%d",++a);
        //boolean 等同于于C语言中学的bool类型
*/
        //用户输入
        Scanner sc = new Scanner(System.in);
        int i=sc.nextInt();
        System.out.printf("%d\n", i);
    }
}
